A sapphire and diamond cluster ring, the central oval

Two gold sapphire and diamond rings, comprising a 9ct gold sapphire and diamond cluster ring, a central oval cut sapphire, to a surround of eight cut diamonds, flanked by a single eight cut diamond gr

A PINK SAPPHIRE AND DIAMOND CLUSTER RING, composed of a central oval-shaped pink sapphire within a baguette-cut diamond surround to similarly-cut and single-cut diamond shoulders, mounted in 18K gold,

SAPPHIRE AND DIAMOND CLUSTER RING, in platinum. Set with a central oval blue sapphire of 1.85 ct. Surrounded with diamonds totalling approx. 0.48 ct. Size O. 3.5 grams.

SAPPHIRE AND DIAMOND CLUSTER RING, in platinum. Set with a central oval blue sapphire of 1.85 ct. Surrounded with diamonds totalling approx. 0.48 ct. Size O. 3.5 grams.

SAPPHIRE AND DIAMOND CLUSTER RING, in platinum. Set with a central oval blue sapphire of 1.85 ct. Surrounded with diamonds totalling approx. 0.48 ct. Size O. 3.5 grams.

An Art Deco diamond and sapphire cluster ring, the central square, step cut sapphire in millegrain mount to open work Greek key oval frame, set throughout with tweleve old brilliant cut diamonds in sq

AN UNHEATED VIOLET SAPPHIRE AND DIAMOND DRESS RING in 18ct white gold, set with a central oval cut violet sapphire of 2.02 carats, within a navette border set with clusters of marquise and round brill

Garnet and diamond cluster ring, central oval cut garnet, surrounded by round cut diamonds and diamond set shoulders, mounted in white metal tested as platinum, ring size K1/2, approximate weight 2.5

A diamond cluster ring, the central oval cut diamond, estimated to weigh 11.45 carats, claw set within a surround of brilliant cut diamonds, to brilliant cut diamond set shoulders, finger size M

A diamond cluster ring, the central oval cut diamond, estimated to weigh 11.45 carats, claw set within a surround of brilliant cut diamonds, to brilliant cut diamond set shoulders, finger size M

A ruby and diamond cluster ring, the central oval cut ruby claw set within a surround of marquise cut and brilliant cut diamonds, approximately 1.40 carats total, finger size M

SAPPHIRE AND DIAMOND CLUSTER RING The oval-cut sapphire within a surround of cushion-shaped diamonds, diamonds approx. 0.80ct total, ring size approx. P Footnotes: Accompanied by a report from GCS sta

SAPPHIRE AND DIAMOND CLUSTER RING The oval-cut sapphire within a brilliant-cut diamond surround, between tapered baguette-cut diamond shoulders, ring size approx. L

SAPPHIRE AND DIAMOND CLUSTER RING The oval-cut sapphire within a brilliant-cut and baguette-cut diamond surround, between bifurcated shoulders, sapphire untested, diamonds approx. 0.65ct total, ring s

SAPPHIRE AND DIAMOND CLUSTER RING The oval-cut sapphire within a brilliant-cut diamond surround, diamonds approx. 0.80ct total, ring size approx. K½ For further information on this lot please vis

GREEN SAPPHIRE AND DIAMOND CLUSTER RING The oval-cut green sapphire set within a brilliant-cut diamond surround, mounted in 18 carat gold, diamonds approx. 0.60ct total, partial UK hallmark, European

SAPPHIRE AND DIAMOND CLUSTER RING The oval-cut sapphire within a surround of brilliant and single-cut diamonds, diamonds approx. 0.50ct total, ring size approx. M For further information on this lot p

A sapphire and diamond cluster ring. The oval-shape sapphire, within a brilliant-cut diamond surround, to the replacement 18ct gold band. Estimated dimensions of sapphire: 18.9 by 15.8, by 8.1mms. Est

A mid 19th century 18ct gold sapphire and diamond cluster ring. The oval-shape pink sapphire collet, within an old-cut diamond surround, to the plain band. Estimated total diamond weight 0.30ct. Weigh

A SAPPHIRE AND DIAMOND CLUSTER RING an oval-cut sapphire within a border of round brilliant-cut diamonds. Estimated total diamond weight 1.10ct, ring size L1/2, 4.4 grams Accompanied by a pr

A sapphire and diamond cluster ring. The oval-shape sapphire, within a graduated brilliant-cut diamond double surround, to the bifurcated shoulders and grooved band. Approximate sapphire dimensions: 1

A SAPPHIRE AND DIAMOND CLUSTER RING The oval-shaped pink sapphire within a four-claw setting, to a marquise and brilliant-cut diamond surround, mounted in gold, diamonds approximately 0.70ct total, ri

A sapphire and diamond cluster ring. The oval-shape sapphire, to the single-cut and rectangular-shape diamond sides, with single-cut diamond border. Estimated total diamond weight 0.30ct. Weight 2.6gm

A SAPPHIRE AND DIAMOND CLUSTER BROOCHThe central oval cut sapphire and old cut, baguette cut and eight cut diamond cluster, approximately 0.66 carats total, within an oval hooped surround Size/dimensi